UPDATE : You need to use Qfil (Guide link) for Zuk Z2 Pro, click “load content” and choose “contents.xml” from Qfil rom folder. Before that don’t forget to change “device type” to UFS from EMMC in “Firehose Download configuration” under Configuration menu.   It’s been almost 1.5 years after i discovered using different Qualcomm flashers across diffrent makers/models. I tried to explain all about “Qualcomm HS-USB  QDLoader 9008″ port, about Qualcomm’s own flasher “Qfil”  and how to solve this so called “black … Continue reading ZUK Z2 / Z2 PRO QPST / Qfil Rom Flashing Guide